Some information about Hollow Mortising Chisel Bit A Style Silver Grinding

Cutting tips
Designed for efficient chip ejection, the drill bits have well ground cutting tips and spurs for compatibility with a variety of mortisers.

The point
The chisel point has four teeth all equal in height.

The body
The chisel bodies are accurately ground and hardened and polished outside faces and smoothly machined inner bevels for easy penetration.